From: Zhenyu Wang Date: Fri, 17 Mar 2017 04:11:20 +0000 (+0800) Subject: drm/i915/gvt: Fix gvt scheduler interval time X-Git-Tag: v4.10.10~43 X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cccf8321af1c8c07abc83f4321d8a131b46d0af6;p=linux drm/i915/gvt: Fix gvt scheduler interval time commit 2958b9013fcbabeeba221161d0712f5259f1e15d upstream. Fix to correctly assign 1ms for gvt scheduler interval time, as previous code using HZ is pretty broken. And use no delay for start gvt scheduler function. Fixes: 4b63960ebd3f ("drm/i915/gvt: vGPU schedule policy framework") Cc: Zhi Wang Acked-by: Chuanxiao Dong Signed-off-by: Zhenyu Wang Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c index 678b0be85376..3635dbe328ef 100644 --- a/drivers/gpu/drm/i915/gvt/sched_policy.c +++ b/drivers/gpu/drm/i915/gvt/sched_policy.c @@ -101,7 +101,7 @@ struct tbs_sched_data { struct list_head runq_head; }; -#define GVT_DEFAULT_TIME_SLICE (1 * HZ / 1000) +#define GVT_DEFAULT_TIME_SLICE (msecs_to_jiffies(1)) static void tbs_sched_func(struct work_struct *work) { @@ -224,7 +224,7 @@ static void tbs_sched_start_schedule(struct intel_vgpu *vgpu) return; list_add_tail(&vgpu_data->list, &sched_data->runq_head); - schedule_delayed_work(&sched_data->work, sched_data->period); + schedule_delayed_work(&sched_data->work, 0); } static void tbs_sched_stop_schedule(struct intel_vgpu *vgpu)